Types of Concrete Testing

Wednesday, April 20, 2011 Proceq Asia

Used in all types of construction from foundations to garden walls to countertop, concrete is a simple and basic mixture of aggregates and paste. The aggregates used in creating concrete are sand and gravel while the paste consists of water and cement. To establish your concrete's consistency, air content and strength, you can conduct different tests.

Slump Test
The consistency of the concrete determines how well the concrete will pour, handle and compact. The measurement used to gauge the consistency of concrete is called slump. Problems with consolidation and mortar loss can occur if your slump is too low (runny) or too high (thick). To perform the slump test, take a sample of your recently mixed concrete and pack it into a cone 2 inches high, 8 inches wide at the bottom of the cone and 4 inches at the top which must be open. Level the concrete at the top rim of the cone then lift it so the bottom of the cone remains unsupported. The distance between the top of the cone top and the level the concrete settles at gives you your slump. Compare this number with the slump value on the package your concrete mixture came in to find out if your concrete contains good consistency.

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